Aisčiai series (Cambrian to of Russian Federation)

Where: Kaliningrad oblast, Russian Federation (54.7° N, 21.7° E: paleocoordinates 47.0° S, 29.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Aisčiai Group, Atdabanian to Atdabanian (521.0 - 516.0 Ma)

• Aisčiai series

Environment/lithology: marine; mudstone and sandstone

• At the top there are greenish-gray mudstones interbedded with quartz sandstones, glauconite-quartz sandstones and clays (Kibartai formation). In the middle part there is interlayering of mudstones, siltstones and light- and greenish-gray sandstones, sometimes oolitic and ferruginous (Gegeskaya and Virbalisskaya formations). At the base there are gray quartz sandstones with interlayers of dark gray and black mudstones (berry formation). Thickness 95-145 m

Size classes: macrofossils, mesofossils, microfossils

Primary reference: N.U. Karpuzova and M.N. Tokareva. 2014. Legend of the Central European series of sheets of the State Geological Map of the Russian Federation, scale 1:1,000,000 (third generation). [S. Peters/E. Mazko]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 235433: authorized by Shanan Peters, entered by Evgeny Mazko on 07.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

• Brachiopods: Westonia finlandensis (Walc.), Lingulella ferruginea Salt., L. nathorsti Linn. and etc .; trilobites Germanopyge (?) mendosa N.Tschern.; Lower-Middle Cambrian acritarchs; worms
Show authors, comments, and common names
unclassified
  -
Germanopyge mendosa
Lingulata
 Lingulida - Obolidae
Lingulella nathorsti, Lingulella ferruginea, Westonia finlandensis
Lingulella ferruginea Salter 1867
Salt.
Westonia finlandensis Walcott 1902
Walc.